GATZAK Flashcards

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1
Q

Zer dira?

A

proportzio txikian
funtzio garrantzitsua: erreakzio metabolikoak =
1. gauzatu
2. erregulatu

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2
Q

3 era

A
  1. disolbaezin
  2. disolbagarri
  3. molekula organikoei lotuta
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3
Q

GATZ DISOLBAEZINAK URETAN

A
  • prezipitaturik agertu
  • FUN: egitura ( hezur,oskol,hortz)
  • ADB
    1. CaCo3 = oskol
    2. Ca3(PO4)2 = hezurretan
    3. SiO2 = oskol silizea
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4
Q

MOLEK ORG lotuta

A
  1. fosfato anioi : PO4 (3-) = fosfolipido//fosfoproteina//azido nukleiko
  2. BURDINA KATIOI (2+) Fe2+ = hemoglobina//mioglobina//zitokromo prote
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5
Q

URETAN DISOLBAGARRIAK
ezaugarriak

A
  • ioi eran (dizoziatuta)
  • NON : zelula barruan / kanpoan
  • FUNTZIOA: homeostasia mantendu :
    1. presio osmotikoa erregulatuz
    2.** pH kontrolatu** : sistema indargetzaile medio
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6
Q

URETAN DISOLBAGARRIAK ADB

A

KATIOI: Na,K,Mg,Ca,Fe,NH4
ANIOI: Cl,H2PO4,HCO3,SO4(2-)

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7
Q

SISTEMA INDARGETZAILEAK
zer dira?

A
  • izaki bizidunetan pH kontrolatzen dute
    6< pH< 8 (entzimen funtzionaltasuna mantentzeko)
  • funtzionamendua:
    base konjokatu + azido sistema
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8
Q

FOSFATO SISTEMA

A

H2PO4- —> H (+) + HPO4 (2-)
1. azido ahul
2. base konjokatua

ZITOPLASMAN

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9
Q

ODOLAREN pH-a

ODOLA

A

odol pH aprox 7,4
- pH > 7,45 (basiko) =ALKALOSIA
- pH < 7 (azido) = AZIDOSIA

mantentzeko: bikarbonato sistema

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10
Q

ALKALOSIA

A

NERBIO SISTEMAREN KITZIKAPENA
- espasmoak,konbultsioak,heriotza

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11
Q

AZIDOSIA

A

NERBIO SISTEMA MOTELDU

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12
Q

BIKARBONATO SISTEMA INDARGETZAILE

A
  • CO2 + H2O = base konjokatua
  • H2CO3 = azido ahul
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